2010 Lexus Truck RX 350 AWD V6-3.5L (2GR-FE) B CODE Page 528

3. CHECK DTC

(a) Clear the DTCs See: Accessories and Optional Equipment/Navigation System/Testing and Inspection/Reading and Clearing

Diagnostic Trouble Codes/Navigation System (for DVD).

(b) Recheck for DTCs and check if the same DTC is output again.

OK:

No DTCs are output.

NG -- CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE NAVIGATION ASSEMBLY POWER

SOURCE)

OK -- END

4. CHECK HARNESS AND CONNECTOR (MULTI-MEDIA MODULE NAVIGATION ASSEMBLY POWER SOURCE)

(a) Disconnect the multi-media module navigation assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- Continue to next step.

5. CHECK IEEE CABLE CONNECTOR

(a) Check for the IEEE cable connector.

(1) Check if the IEEE cable connectors between the multi-media module navigation assembly and the display and navigation module

display have any connection problems See: Accessories and Optional Equipment/Antitheft and Alarm

Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/Electronic Circuit Inspection Procedure.

(b) Check that the screen display is normal.

OK:

Screen display is normal.